/*
 * Copyright 2025 LinQingYing. and contributors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * The use of this source code is governed by the Apache License 2.0,
 * which allows users to freely use, modify, and distribute the code,
 * provided they adhere to the terms of the license.
 *
 * The software is provided "as-is", and the authors are not responsible for
 * any damages or issues arising from its use.
 *
 */

package org.cangnova.cangjie.utils.exceptions

import org.cangnova.cangjie.utils.Printer

class SmartPrinter(appendable: Appendable, indent: String = DEFAULT_INDENT) {
    companion object {
        private const val DEFAULT_INDENT = "    "
    }

    private val printer = Printer(appendable, indent)

    private var notFirstPrint: Boolean = false

    fun print(vararg objects: Any) {
        if (notFirstPrint) {
            printer.printWithNoIndent(*objects)
        } else {
            printer.print(*objects)
        }
        notFirstPrint = true
    }

    fun println(vararg objects: Any) {
        if (notFirstPrint) {
            printer.printlnWithNoIndent(*objects)
        } else {
            printer.println(*objects)
        }
        notFirstPrint = false
    }

    fun pushIndent() {
        printer.pushIndent()
    }

    fun popIndent() {
        printer.popIndent()
    }

    fun getCurrentIndentInUnits() = printer.currentIndentLengthInUnits
    fun getIndentUnit() = printer.indentUnitLength

    override fun toString(): String = printer.toString()
}

inline fun SmartPrinter.withIndent(block: () -> Unit) {
    pushIndent()
    block()
    popIndent()
}
